AtmostormCounty briefing

St. Clair County, MI

Severe-weather activation briefing

Generated 2026-09-20T14:18:42.811777+00:00

No active warnings

Radar over St. Clair County, MI

County exposure (baseline)

St. Clair County, MI has an estimated 158,785 residents, including 4 nursing homes, 2 mobile-home parks, 1 dialysis center, 1 hospital and 51 schools. This is the denominator behind “in the warned path”.